Alex typically posted above-.500 win-loss records for Washington Senators teams that were usually under .500. In 1940 and 1941, he went 6-2 each season, although the Senators went 64-90 and 70-84. In 1944 the team again went 64-90 while Alex was 8-7. In his winningest year, 1943, he was 11-7 as the team actually finished over .500 at 84-69.

His major league career ended after 1945 when he jumped to the Mexican League (except when he returned to the majors for 3 games in 1949) but his minor league career would run from 1949-53. In 1955-56 he again played in Mexico.

Carrasquel was quoted in 1946 as saying he was offered $7,500 to play for Vera Cruz in Mexico while the Chicago White Sox had offered only $5,000.